accidents 11. Let A = -7, B = √144, C = 1-3.421, and D = (2.5)². Carry out the following arithmetic operations, taking into consideration the rules of significant digits discussed in this chapter. (Use the positive square root.) a. A + B = c. C(A + D) = e. ((A)(B)| = g. B/C = 1. |C/D|= k. |(A)(D)| = b. A-B= d. (A)(C)(D) = f. A/D = h. |A(C-D)| = j. (A)(C) =

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